remove the double world of 'in'.

Signed-off-by: Deming Wang <wangdeming@inspur.com>
---
 fs/posix_acl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index 4e69cce6bd2a..74dc0f571dc9 100644
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -1177,7 +1177,7 @@ posix_acl_xattr_set(const struct xattr_handler *handler,
 		 * ACL_{GROUP,USER} have already been mapped according to the
 		 * caller's idmapping. The vfs_set_acl_prepare() helper will
 		 * recover them and take idmapped mounts into account. The
-		 * filesystem will receive the POSIX ACLs in in the correct
+		 * filesystem will receive the POSIX ACLs in the correct
 		 * format ready to be cached or written to the backing store
 		 * taking the filesystem idmapping into account.
 		 */
-- 
2.27.0